CVSS 3.1
9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCVE-2026-33824
Critical (9.8) in Microsoft Internet Key Exchange (IKE) Service Extensions. In CISA KEV since 2026-08-18. EPSS 77% chance of exploitation in the next 30 days.
Double free in Windows IKE Extension allows an unauthorized attacker to execute code over a network.
Severity
- EPSS
- 77% chance of exploitation in the next 30 days; higher than 99% of CVEs (scores of 2026-10-31)
- CISA KEV
- listed 2026-08-18, due 2026-08-21
- CWE
- CWE-415
- Published
- Modified
- Record from
- the NVD, synced
Affected
- microsoft:windows_10_1607
- microsoft:windows_10_1809
- microsoft:windows_10_21h2
- microsoft:windows_10_22h2
- microsoft:windows_11_23h2
- microsoft:windows_11_24h2
- microsoft:windows_11_25h2
- microsoft:windows_11_26h1
- microsoft:windows_server_2016
- microsoft:windows_server_2019
- microsoft:windows_server_2022
- microsoft:windows_server_2022_23h2
- microsoft:windows_server_2025